Home / 18,326.43-25,303.32-16,185.60

Finding the Fourth Proportional to 18,326.43, 25,303.32 and 16,185.60

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Solution

The fourth proportional to 18,326.43, 25,303.32 and 16,185.60 is: 22,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.43 : 25,303.32 = 16,185.60 : x
  2. Step 2: Convert to fraction form
    18,326.43/25,303.32 = 16,185.60/x
  3. Step 3: Cross multiply
    18,326.43x = 25,303.32 × 16,185.60
  4. Step 4: Simplify right side
    18,326.43x = 409,549,416.19
  5. Step 5: Solve for x
    x = 409,549,416.19/18,326.43
  6. Step 6: Final answer
    x = 22,347.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.